Table 5.

Artifacts and signal strength of all scans acquired in first visit.

Scan Type	Signal Strength*	Any Artifact	Inaccurate CFT†	IRM‡	ORM**	Out of Register	Off Center	Cut Edge
Stratus Macular Thickness	8.83±1.22	17.46%	4.76%	12.70%	0.00%	1.59%	6.35%	6.35%
Cirrus Cube 512×128	9.93±0.42	43.75%	0.00%	15.00%	36.25%	8.75%	0.00%	0.00%
RTVue MM5	61.76±9.10	32.50%	6.25%	22.50%	1.25%	7.50%	11.25%	0.00%
RTVue MM6	62.72±9.74	38.75%	8.75%	35.00%	7.50%	0.00%	6.25%	0.00%
3D OCT-1000 Radial	60.54±9.29	28.75%	15.00%	26.25%	1.25%	5.00%	5.00%	0.00%
3D OCT-1000 3D Macular	50.64±9.95	53.16%	17.72%	34.18%	12.66%	18.99%	7.59%	0.00%

^*Signal strengths are determined by automated software on each instrument.

^†CFT = central subfield foveal thickness

^‡IRM = inner retinal misidentification

^**ORM = outer retinal misidentification.